@article{ref1,
title="Knowledge-Based System for Managing Intersection Safety",
journal="Journal of transportation engineering",
year="1990",
author="Seneviratne, PN",
volume="116",
number="6",
pages="770-779",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0733-947X",
doi="",
url="http://dx.doi.org/"
}